# Powerpay Self Service vs GreenBook

The clearest difference is review sentiment: GreenBook at 100% against Powerpay Self Service's 5%. GreenBook also leads on update cadence (every 3 months vs every 6 months) and iOS requirement (13 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Powerpay Self Service ships an update every 6 months, GreenBook every 3 months. The most recent releases landed on September 22, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Powerpay Self Service | GreenBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (183 ratings)](https://appshunter.io/ios/app/powerpay-self-service/id1359286544/reviews)** | — |
| Number of ratings | **183** | — |
| Positive reviews | 5.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 22 MB | 26 MB |
| Requires iOS | 15.1 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dayforce Corporation](https://appshunter.io/developer/456073229) | [Tanner Mackenzie](https://appshunter.io/developer/1782692965) |

## What reviewers say

### Powerpay Self Service

[App page](https://appshunter.io/ios/app/powerpay-self-service/id1359286544)

Access your pay details and personal information from anywhere. View earnings, download tax forms, and update personal data securely. This app streamlines access to critical employment information for employees of Powerpay customers.

**Highlights:** Access pay details, View personal information, Download tax forms, Secure mobile access, Update personal data

**In-app purchases:** none


### GreenBook

[App page](https://appshunter.io/ios/app/greenbook/id6738869708)

Access Ontario's Occupational Health and Safety Act and Regulations. This tool allows for easy searching, bookmarking, and highlighting of key passages to aid in workplace compliance. A downloadable safety board posting is also available.

**Highlights:** Access Ontario's Health and Safety Act, Searchable Regulations, Bookmark key passages, Highlight text, Global search across documents, Downloadable safety board posting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Powerpay Self Service free?

Powerpay Self Service is free to download, with no in-app purchases.

### Is GreenBook free?

GreenBook is free to download, with no in-app purchases.

### Do Powerpay Self Service or GreenBook have ads?

Neither Powerpay Self Service nor GreenBook shows ads.

### Which is updated more often, Powerpay Self Service or GreenBook?

Powerpay Self Service ships an update every 6 months, and GreenBook every 3 months. Most recently, Powerpay Self Service was updated on September 22, 2026 and GreenBook on June 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*